Manual Flash - Olympus EVOLT E-500 Advanced Manual

Flash shooting
Flash off $
The flash does not fire.
In this mode, the flash can be used as an AF illuminator when it is raised.
g "AF illuminator" (P. 75)
Flash synchronization speed
Shutter speed can be changed when the built-in fla
g "Speed synchronization" (P. 126)
4

Manual flash

This allows the built-in flash to output a fixed amount of light. With [MANUAL
FLASH] set to [ON] (g P. 125), the amount of light can be selected in the
flash mode setting.
To shoot with manual flash, set the f value on the lens based on the distance
to the subject.
Ratio of amount of light
FULL (1/1)
1/16
1/64
Calculate the f value on the lens using the following formula.
Aperture (f value) =
ISO sensitivity
ISO value
Correction coefficient
52
1/4
GN x ISO sensitivity
Distance to the subject (m)
100
1.0
sh
fires.
GN: Guide number
Built-in flash
13
6
3
1.5
200 400
1.4 2.0
F-36 external flash
(optional)
36
18
9
4.5
800 1600
2.8 4.0